Re: [zfs-discuss] Unable to Destroy One Particular Snapshot

2010-05-16 Thread John J Balestrini
Finally, it's been destroyed! Last night I turned dedup off and sent the destroy command and simply let it run over night. Also, I let zpool iostat 30 run as well. It showed no activity for the first 6-1/2 hours and then a flurry of activity for 13-minutes. That snapshot is finally gone and th

Re: [zfs-discuss] Unable to Destroy One Particular Snapshot

2010-05-16 Thread Roy Sigurd Karlsbakk
- "Roy Sigurd Karlsbakk" skrev: > - "John Balestrini" skrev: > > > Yep. Dedup is on. A zpool list shows a 1.50x dedup ratio. I was > > imagining that the large ratio was tied to that particular snapshot. > > > > basie@/root# zpool list pool1 > > NAMESIZE ALLOC FREECAP DEDUP

Re: [zfs-discuss] Unable to Destroy One Particular Snapshot

2010-05-16 Thread Roy Sigurd Karlsbakk
- "John Balestrini" skrev: > Yep. Dedup is on. A zpool list shows a 1.50x dedup ratio. I was > imagining that the large ratio was tied to that particular snapshot. > > basie@/root# zpool list pool1 > NAMESIZE ALLOC FREECAP DEDUP HEALTH ALTROOT > pool1 2.72T 1.55T 1.17T57

Re: [zfs-discuss] Unable to Destroy One Particular Snapshot

2010-05-15 Thread Ian Collins
On 05/16/10 12:40 PM, John Balestrini wrote: Yep. Dedup is on. A zpool list shows a 1.50x dedup ratio. I was imagining that the large ratio was tied to that particular snapshot. basie@/root# zpool list pool1 NAMESIZE ALLOC FREECAP DEDUP HEALTH ALTROOT pool1 2.72T 1.55T 1.17T

Re: [zfs-discuss] Unable to Destroy One Particular Snapshot

2010-05-15 Thread John Balestrini
Yep. Dedup is on. A zpool list shows a 1.50x dedup ratio. I was imagining that the large ratio was tied to that particular snapshot. basie@/root# zpool list pool1 NAMESIZE ALLOC FREECAP DEDUP HEALTH ALTROOT pool1 2.72T 1.55T 1.17T57% 1.50x ONLINE - So, it is possible to t

Re: [zfs-discuss] Unable to Destroy One Particular Snapshot

2010-05-15 Thread Ian Collins
On 05/16/10 06:52 AM, John Balestrini wrote: Howdy All, I've a bit of a strange problem here. I have a filesystem with one snapshot that simply refuses to be destroyed. The snapshots just prior to it and just after it were destroyed without problem. While running the zfs destroy command on th

Re: [zfs-discuss] Unable to Destroy One Particular Snapshot

2010-05-15 Thread Roy Sigurd Karlsbakk
> Has anyone seen this type of problem? Any ideas? Yeah, I've seen the same. Tried to remove a dataset, and it hung on one snapshot. This was a test server, so I ended up recreating the pool instead of trying to report a bug about it (hours of time saved, since the debugging features for ZFS a

[zfs-discuss] Unable to Destroy One Particular Snapshot

2010-05-15 Thread John Balestrini
Howdy All, I've a bit of a strange problem here. I have a filesystem with one snapshot that simply refuses to be destroyed. The snapshots just prior to it and just after it were destroyed without problem. While running the zfs destroy command on this particular snapshot, the server becomes more